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COMPUTER STUDIES ESSAY/THEORY ANSWER (PAST Q&A)
An input device is any hardware device that sends data to a computer, allowing you to interact with and control the computer. The picture shows a Logitech trackball mouse, an example of an input device.
1. Logic gates are digital components that typically work two levels of voltage and determine how a component conducts electricity.
2. Logic gates use Boolean equations and switch tables.
A, B OR ===> A+B
Information is an analyzed or processed data, which is now more meaningful and decisions can be made based on its data and information is connected.
Communication technology is the activity of designing, constructing and maintaining communication systems. In the modern era it is referred to as ICT.
This is information and communications technology, and includes any communication device or application such as radio and television.
LAN-local area network
GPS-global positioning Service.
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RAM: is the memory available for the operating system, programs and processes to use when the computer is running.
ROM: is the memory that comes with your computer that is pre-written to hold the instructions for booting-up the computer.
RAM: Requires a flow of electricity to retain data (e.g. the computer powered on).
ROM: will retain data without the flow of electricity (e.g. when computer is powered off)
Searching and Organizing
Ease of Access Center
Remote Desktop Connection
= 64+0+16+8+0+2+1 =91
5 r B
O r 5
10110112 = 5B16 were B is 11
HACKER: A hack group getting main owner on an XAT chat without authorization.
SCAMMER: Tricking an internet user into giving you his/her login name and password in false pretence
HTML: Hypertext Markup Language
HTTP: Hypertext Transfer Protocol
ISP: Internet Service Language
SMTP: Simple Mail Transfer Protocol.
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